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iOS Swift 2.0 Enumerations and Optionals Introduction to Optionals Optional Values

i don't under stand this simple task

can any one help me

optionals.swift
var someValue  = nil

2 Answers

Keli'i Martin
Keli'i Martin
8,227 Points

To make a variable optional, the easiest way is to simply put a ? at the end of the type. In this case:

var someValue: Int? = nil

Because you are asked to make it optional, you need to explicitly declare the type as Int?. Hope this helps!

thanks u very helpful